107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
//go:build windows
|
|
|
|
package osshare
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"sync"
|
|
|
|
"golang.org/x/sys/windows/registry"
|
|
"tailscale.com/types/logger"
|
|
)
|
|
|
|
const (
|
|
sendFileShellKey = `*\shell\tailscale`
|
|
)
|
|
|
|
var ipnExePath struct {
|
|
sync.Mutex
|
|
cache string // absolute path of tailscale-ipn.exe, populated lazily on first use
|
|
}
|
|
|
|
func getIpnExePath(logf logger.Logf) string {
|
|
ipnExePath.Lock()
|
|
defer ipnExePath.Unlock()
|
|
|
|
if ipnExePath.cache != "" {
|
|
return ipnExePath.cache
|
|
}
|
|
|
|
// Find the absolute path of tailscale-ipn.exe assuming that it's in the same
|
|
// directory as this executable (tailscaled.exe).
|
|
p, err := os.Executable()
|
|
if err != nil {
|
|
logf("os.Executable error: %v", err)
|
|
return ""
|
|
}
|
|
if p, err = filepath.EvalSymlinks(p); err != nil {
|
|
logf("filepath.EvalSymlinks error: %v", err)
|
|
return ""
|
|
}
|
|
p = filepath.Join(filepath.Dir(p), "tailscale-ipn.exe")
|
|
if p, err = filepath.Abs(p); err != nil {
|
|
logf("filepath.Abs error: %v", err)
|
|
return ""
|
|
}
|
|
ipnExePath.cache = p
|
|
|
|
return p
|
|
}
|
|
|
|
// SetFileSharingEnabled adds/removes "Send with Tailscale" from the Windows shell menu.
|
|
func SetFileSharingEnabled(enabled bool, logf logger.Logf) {
|
|
logf = logger.WithPrefix(logf, fmt.Sprintf("SetFileSharingEnabled(%v) error: ", enabled))
|
|
if enabled {
|
|
enableFileSharing(logf)
|
|
} else {
|
|
disableFileSharing(logf)
|
|
}
|
|
}
|
|
|
|
func enableFileSharing(logf logger.Logf) {
|
|
path := getIpnExePath(logf)
|
|
if path == "" {
|
|
return
|
|
}
|
|
|
|
k, _, err := registry.CreateKey(registry.CLASSES_ROOT, sendFileShellKey, registry.WRITE)
|
|
if err != nil {
|
|
logf("failed to create HKEY_CLASSES_ROOT\\%s reg key: %v", sendFileShellKey, err)
|
|
return
|
|
}
|
|
defer k.Close()
|
|
if err := k.SetStringValue("", "Send with Tailscale..."); err != nil {
|
|
logf("k.SetStringValue error: %v", err)
|
|
return
|
|
}
|
|
if err := k.SetStringValue("Icon", path+",0"); err != nil {
|
|
logf("k.SetStringValue error: %v", err)
|
|
return
|
|
}
|
|
c, _, err := registry.CreateKey(k, "command", registry.WRITE)
|
|
if err != nil {
|
|
logf("failed to create HKEY_CLASSES_ROOT\\%s\\command reg key: %v", sendFileShellKey, err)
|
|
return
|
|
}
|
|
defer c.Close()
|
|
if err := c.SetStringValue("", "\""+path+"\" /push \"%1\""); err != nil {
|
|
logf("c.SetStringValue error: %v", err)
|
|
}
|
|
}
|
|
|
|
func disableFileSharing(logf logger.Logf) {
|
|
if err := registry.DeleteKey(registry.CLASSES_ROOT, sendFileShellKey+"\\command"); err != nil &&
|
|
err != registry.ErrNotExist {
|
|
logf("registry.DeleteKey error: %v\n", err)
|
|
return
|
|
}
|
|
if err := registry.DeleteKey(registry.CLASSES_ROOT, sendFileShellKey); err != nil && err != registry.ErrNotExist {
|
|
logf("registry.DeleteKey error: %v\n", err)
|
|
}
|
|
}
|